Combination #2 - North Dakota Cdl

1 . An air supply control in its "emergency" position will:

Turn on the air supply. Apply the trailer emergency brakes. Prevent a skid. Accelerate the vehicle. Click Here Full Cheat Sheet

2 . A combination vehicle has:

One air line. Two air lines. Three air lines. Four air lines. Take a FREE Practice Test Now

3 . Fully-loaded rigs:

Are less likely to roll over than empty rigs. Are more likely to roll over than empty rigs. Are just as likely to roll over as empty rigs. Should not be driven. Take a FREE Practice Test Now

4 . When driving a trailer with ABS, you should:

Not depress the brakes as much as you would when driving a vehicle without ABS. Use extra braking force to ensure the ABS kicks in. Brake as you would when driving a vehicle without ABS. Try to not brakes as often as you would when driving a vehicle without ABS. Take a FREE Practice Test Now

5 . Using the trailer hand brake while experiencing a trailer jackknife will:

Stop the skid. Straighten the trailer. Increase traction. Continue the skid. Click Here Full Cheat Sheet

6 . When coupling a trailer:

Make sure to couple matching glad hands. Any glad hand can be connected to any other glad hand. It is best to leave one glad hand unattached. Only one set of glad hands should be connected. Take a FREE Practice Test Now

7 . If unsure if a trailer is equipped with ABS, you can:

Check under the trailer for wheel speed sensors coming from the back of the brakes. Try driving on a slippery surface and see if ABS kicks in. Assume it does have ABS. Remove a tire and look for the ABS sensor on the axle. Take a FREE Practice Test Now

8 . Look for matching colors when coupling glad hands. Service lines are often:

Green. Orange. Red. Blue. Take a FREE Practice Test Now

9 . Combination vehicles:

Are usually shorter than single commercial vehicles. Are usually lighter than single commercial vehicles. Require more skill to drive than single commercial vehicles. Are easier to drive than single commercial vehicles. Click Here Full Cheat Sheet

10 . Which type of vehicle is most prone to the “crack-the-whip” effect?

A five-axle tractor semi-trailer A three-axle tractor semi-trailer A bobtail tractor A triple trailer Take a FREE Practice Test Now

11 . To lower the risk of a rollover, you should:

Load the cargo as far forward as possible. Load the cargo as far back as possible. Load the cargo as low as possible. Stack the cargo as high as possible. Take a FREE Practice Test Now

Study tip: Reduce your study time from hours to minutes with a DMV exam “Cheat Sheet” 99.2% of people who use the cheat sheet pass the FIRST TIME Click Here Full Cheat Sheet

12 . Simply changing lanes can cause:

A “crack-the-whip” effect, resulting in a rollover. A trailer to straighten out. Confusion over which lane the driver is hoping to use. Other drivers to reduce their speed. Take a FREE Practice Test Now

13 . To help prevent a rollover, cargo should be:

Placed as high as possible inside the trailer. Placed as low as possible inside the trailer. Placed on the passenger side of the trailer. Placed on the driver’s side of the trailer. Click Here Full Cheat Sheet

14 . Rollovers happen when:

You drive too slowly. You are stopped. You turn too quickly. You plan an escape route. Take a FREE Practice Test Now

15 . Rollovers happen when drivers:

Turn too quickly. Do not driving fast enough. Pay attention to the road. Drive illegally. Take a FREE Practice Test Now

16 . In a double or triple combination:

Cargo weight must be evenly distributed between all trailers. The heaviest trailer should be positioned directly behind the cab. The heaviest trailer should be positioned in the rear. The weight of the trailers does not matter. Take a FREE Practice Test Now

17 . When uncoupling a trailer, landing gear should be:

Raised completely. Lowered halfway. Just off the pavement. Firmly on the ground. Click Here Full Cheat Sheet

18 . Starting in which year were newly manufactured trailers required to have ABS?

1972 1987 1998 2004 Take a FREE Practice Test Now

19 . A loss of air pressure in the emergency line will cause:

The suspension springs to extend. The tractor protection valve to open. The rear trailer to detach from the combination. The emergency brakes to activate. Take a FREE Practice Test Now

20 . Push in the trailer air supply control to:

Activate the emergency brakes. Deactivate the air brakes. Sound the horn. Supply the trailer with air. Take a FREE Practice Test Now